Finding the Fourth Proportional to 86,917.52, 130,375.18 and 27,752.44
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Solution
The fourth proportional to 86,917.52, 130,375.18 and 27,752.44 is: 41,628.31
Step by Step Solution
- Step 1: Write the proportion equation
86,917.52 : 130,375.18 = 27,752.44 : x - Step 2: Convert to fraction form
86,917.52/130,375.18 = 27,752.44/x - Step 3: Cross multiply
86,917.52x = 130,375.18 × 27,752.44 - Step 4: Simplify right side
86,917.52x = 3,618,229,360.44 - Step 5: Solve for x
x = 3,618,229,360.44/86,917.52 - Step 6: Final answer
x = 41,628.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.